package cn.cvs.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MybatisUtil {
    private static  SqlSessionFactory factory;

    static {
        try {
            InputStream is= Resources.getResourceAsStream("mybatis-config.xml");
            factory=new SqlSessionFactoryBuilder().build(is);
        } catch (IOException e) {
            throw  new RuntimeException("原始化失败",e);
        }
    }
    public static SqlSession createSqlSession(){
        return factory.openSession(false) ;
    }
    public static void closeSqlSession(SqlSession sqlSession){
        if(sqlSession !=null){
            sqlSession.close();
        }
    }
}
